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Fusarium circinatum is a pressing threat to the cultivation of many economically important pine tree species. Efforts to develop effective disease management strategies can be aided by investigating the molecular mechanisms involved in the host-pathogen interaction between F. circinatum and pine species. Pinus tecunumanii and Pinus patula are two closely related tropical pine species that differ widely in their resistance to F. circinatum challenge, being resistant and susceptible respectively, providing the potential for a useful pathosystem to investigate the molecular responses underlying resistance to F. circinatum. However, no genomic resources are available for P. tecunumanii. Pathogenesis-related proteins are classes of proteins that play important roles in plant-microbe interactions, e.g. chitinases; proteins that break down the major structural component of fungal cell …